<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true">
				<el-form-item>
					<el-input v-model="keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getSql">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="编号" width="120" sortable>
			</el-table-column>
      <el-table-column prop="name" label="名称" width="120" sortable>
      </el-table-column>
			<el-table-column prop="dirPath" label="路径" width="100" sortable>
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" sortable>
        <template slot-scope="scope">
          <span style="color: green" v-if="scope.row.state==1">正常</span>
          <span style="color: red" v-else-if="scope.row.state==0">停用</span>
          <span style="color: darkslategray" v-else>未知</span>
        </template>
			</el-table-column>
			<el-table-column prop="manager.username" label="部门经理" width="120" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" min-width="180" sortable>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize"
                     :current-page="currentPage" :total="totals" style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="部门编号" prop="sn">
					<el-input v-model="editForm.sn" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="editForm.state">
						<el-radio class="radio" :label="1">启用</el-radio>
						<el-radio class="radio" :label="0">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="部门经理">
          <el-select v-model="editForm.manager_id" placeholder="请选择" clearable>
            <el-option v-for="item in managers"
                       :label="item.username"
                       :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}
            </span>
            </el-option>
          </el-select>
				</el-form-item>
        <el-form-item label="上级部门">
          <!--
          el-cascader - 级联
            :options="deptTree" - 级联框中需要的数据【集合】
          回显机制：
            v-model="saveForm.parent"
            parent：[2,5]
        -->
          <el-cascader v-model="editForm.parent"
                       :options="deptTree"
                       :props="{
            	checkStrictly: true,
                label: 'name', // 级联框显示那个属性的值
                value: 'id'    // 回显时需要,回传值的时候也需要
            }" clearable>
          </el-cascader>
        </el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
//import NProgress from 'nprogress'

export default {
		data() {
			return {
			  totals:0,
        pageSize:5,
        currentPage:1,
        departments: [],
        listLoading: false,
        keyword:'',
				sels: [],//列表选中列
        deptTree: [],
        title:'',
				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
				editFormRules: {
          sn: [
            { required: true, message: '请输入', trigger: 'blur' }
          ],
					name: [
						{ required: true, message: '请输入', trigger: 'blur' }
					]
				},
				//编辑界面数据
				editForm: {
					id: null,
          sn:'',
					name: '',
					state: 1,
					manager_id: '',
					parent_id: '',
				},

        managers: []
			}
		},
		methods: {
      //获取部门树 - 无线级联
      getDeptTree(){
        this.$http.get("/department/deptTree").then(res => {
          this.deptTree = res.data;
        })
      },
      getManagers(){
        this.$http.get("/employee").then(res =>{
          this.managers = res.data;
        })
      },
			handleCurrentChange(currentPage) {
        this.currentPage = currentPage;
				this.getDepartments();
			},
      getSql(){
			  this.currentPage = 1;
        this.getDepartments();
      },
			//获取用户列表
			getDepartments() {
				let para = {
					pageSize: this.pageSize,
					currentPage: this.currentPage,
          keyword: this.keyword,
				};
				this.listLoading = true;
        this.$http.post("/department",para).then(res=>{
          //给totals赋值 - 计算分页栏
          this.totals = res.data.totals;
          //赋值分页数据 - 显示当前页的分页数据
          this.departments = res.data.data;
          //隐藏加载框/忙等框
          this.listLoading = false;
        }).catch(res=>{
          alert("系统错误，请稍后重试!");
        });
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
          this.$http.delete("/department/" + row.id).then(res => {
            this.listLoading = false;
            if(res.data.success){
              //计算总页数
              let totalPage = this.totals%this.pageSize==0?this.totals/this.pageSize
                  :Math.ceil(this.totals/this.pageSize);
              if(this.currentPage > 1 && this.currentPage==totalPage && (this.totals-1)%this.pageSize==0){
                this.currentPage = this.currentPage - 1;
              }
              this.getDepartments();
            }else{
              this.$message.error("删除失败【500】");
            }
          }).catch(res => {
            this.$message.error("系统错误【400,404】");
          })
				}).catch(() => {

				});
			},
			//显示编辑界面
			handleEdit: function (index, row) {
				this.editFormVisible = true;
				this.editForm = Object.assign({}, row);
				this.title = 'Edit';
				this.getManagers();
        this.getDeptTree();
        //对上级部门回显做处理：
        let dirPath = row.dirPath;// /2/5/10 - [2,5]
        let dirArr = dirPath.split("/");
        var arr = [];
        for(var i = 1 ; i < dirArr.length - 1 ; i++){
          arr[i-1] = parseInt(dirArr[i]);
        }
        this.editForm.parent = arr;
			},
			//显示新增界面
			handleAdd: function () {
				this.editFormVisible = true;
				this.editForm = {
          id: null,
          sn:'',
          name: '',
          state: 1,
          manager_id: '',
          parent_id: '',
				};
				this.title ='Add';
        this.getManagers();
        this.getDeptTree();
			},
			//编辑
			editSubmit: function () {
				this.$refs.editForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.editLoading = true;
							//NProgress.start();
							let para = Object.assign({}, this.editForm);
              //提交数据时上级部门数据格式做处理：[2,7,17]
              //对父部门做处理
              var parentTmp = para.parent;// [2,7,17]  17是父部门
              //null不重要  - 对象是可以赋值为null
              para.parent = null;//为了避免400 - 后端是用对象接收，前端修改之后是[]
              //后端使用下面这个parent_id，不用parent对象
              para.parent_id = parentTmp[parentTmp.length-1];
							this.$http.put("/department",para).then(res => {
                this.editLoading = false;
                if(res.data.success){
                  this.getDepartments();
                }else{
                  this.$message.error("批量删除失败【500】");
                }
                this.editFormVisible = false;
              }).catch(res => {
                this.$message.error("系统错误【400,404】");
                this.editLoading = false;
              })
						});
					}
				});
			},

			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id);
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					this.$http.patch("/department/",ids).then(res => {
            this.listLoading = false;
            if(res.data.success){
              this.currentPage = 1;
              this.getDepartments();
            }else{
              this.$message.error("批量删除失败【500】");
            }
          }).catch(res => {
            this.$message.error("系统错误【400,404】");
          })
				}).catch(() => {

				});
			}
		},
		mounted() {
			this.getDepartments();
		}
	}

</script>

<style scoped>

</style>